Laser written nitrogen vacancy centers in diamond integrated with transfer print GaN solid immersion lenses

Xingrui Cheng; Nils Kolja Wessling; Saptarsi Ghosh; Andrew R. Kirkpatrick; Menno J. Kappers; Yashna N. D. Lekhai; Gavin W. Morley; Rachel A. Oliver; Martin D. Dawson; Jason M. Smith; Patrick S. Salter; Michael J. Strain

doi:10.1117/12.3000474

12 March 2024 Laser written nitrogen vacancy centers in diamond integrated with transfer print GaN solid immersion lenses

Xingrui Cheng, Nils Kolja Wessling, Saptarsi Ghosh, Andrew R. Kirkpatrick, Menno J. Kappers, Yashna N. D. Lekhai, Gavin W. Morley, Rachel A. Oliver, Martin D. Dawson, Jason M. Smith, Patrick S. Salter, Michael J. Strain

Author Affiliations +

Proceedings Volume 12874, Nanoscale and Quantum Materials: From Synthesis and Laser Processing to Applications 2024; 1287405 (2024) https://doi.org/10.1117/12.3000474
Event: SPIE LASE, 2024, San Francisco, California, United States

Abstract

Laser-written Nitrogen Vacancy (NV−) centers are combined with transfer-printed GaN micro-lenses to increase fluorescent light collection by reducing total internal reflection at the planar diamond interface. We find a 2x improvement of fluorescent light collection using a 0.95 NA air objective at room temperature, in agreement with FDTD simulations. The nature of the transfer print micro-lenses leads to better performance with lower Numerical Aperture (NA) collection, as confirmed by results with a 0.5NA air objective which show improvement greater than 5x. The approach is attractive for scalable integrated quantum technologies.

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(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Xingrui Cheng, Nils Kolja Wessling, Saptarsi Ghosh, Andrew R. Kirkpatrick, Menno J. Kappers, Yashna N. D. Lekhai, Gavin W. Morley, Rachel A. Oliver, Martin D. Dawson, Jason M. Smith, Patrick S. Salter, and Michael J. Strain "Laser written nitrogen vacancy centers in diamond integrated with transfer print GaN solid immersion lenses", Proc. SPIE 12874, Nanoscale and Quantum Materials: From Synthesis and Laser Processing to Applications 2024, 1287405 (12 March 2024); https://doi.org/10.1117/12.3000474

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